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Trees provide services to cities that far outstrip their cost. Tim Parkinson/flickr

Sustainable cities need trees, not freeways

As we worry about where we will put Australia’s ever-increasing population, urban trees are becoming collateral damage. So how much are our trees worth to us? According to Melbourne City Council, they…
Coalition welfare policy wrongly relies on the flawed Work of the Dole program. AAP

Work for the Dole doesn’t work, so why is it Coalition policy?

Tony Abbott’s recently unveiled welfare reform package advocating a range of tough policies to push people into work has been described by Prime Minister Julia Gillard as ‘reheated’. You might expect that…
Cosmetic surgery seems to be rising at the rate of about 10% a year. AAP

Our love/hate relationship with cosmetic surgery

In the course of researching two books about cosmetic surgery, the most shocking truth I have discovered is how uncontroversial or “normal” it has become. Over the last decade, I’ve interviewed many people…
We need to preserve and conserve our soils to protect our food supply. NateLove on Flickr

Soil: it’s what keeps us clothed and fed

FOOD SECURITY - Soils can help us solve two of the most pressing problems of the coming decades: climate change and food shortage. There is more fresh water in the world’s soils than in all its lakes and…
A phased approach will help resolve divisions around carbon pricing. AAP

Phased pricing model is our best shot at carbon consensus

Independent MP Tony Windsor was right in early March when he called for a debate on carbon pricing in Australia that is “a little bit more advanced than the word ‘lie’ and the word ‘tax’”. The quality…
Do cane toads add something new to ‘natural selection’? manda/Flickr

Cane and able – how superfit toads got the hop on evolution

Some 150 years ago, Charles Darwin proposed a mechanism for evolutionary change; but is there something beyond natural selection driving evolution? My colleagues and I think so, and we believe it has come…
Are we a step closer to equality in Australian laboratories? Argonne National Laboratory/Wikimedia Commons

A breakthrough for women in science

Yesterday, April 11, should be remembered as the day the Australian science community agreed to change. Specifically, it agreed to change the way we work to enable women to fully participate, and to prevent…
Frontline to change: Australian Defence Force Academy graduates in 2009.

Women in the frontline … fighting dinosaurs in the ADF

The current media frenzy around the sex scandal enveloping the Australian Defence Force Academy, and the predictable response to reports that women will be fast-tracked into combat roles, illustrates the…
The conflict in Chechnya receives very little coverage in Australia. AAP

All the news that’s fit for us not to read

The rules of being a conflict reporter are largely unchanged and very simple. According to Fairfax’s correspondent, Paul McGeough: “You’ve got to get in. You’ve got to get the story”. The present uprising…
The legal system says that no one lives in Australia’s vegetation. John Hadley

Want to stop biodiversity loss? Give animals property rights

The destruction or modification of habitat is the leading cause of biodiversity loss in Australia and around the world. Letting animals have rights over their habitat could be the answer. Despite 40 years…
Many superannuation investors have been stung by investing in artworks. AAP

The arts end of superannuation

Interested in art? Think it may be a good investment for your super? Think again - or at least be very very careful. More than 10 months since Jeremy Cooper’s independent superannuation review recommended…
Are CSIRO’s ASKAP antennas in Boolardy a precursor to greater things? By Ant Schinckel, CSIRO

Hip hip hooray for the (Aussie?) Square Kilometre Array

We know a lot about what the universe looks like and how it works. But what we’ve been able to figure out about the cosmos is dwarfed by all the things we don’t know. How do galaxies, stars and planets…
Consumers don’t always make the ‘right’ ethical choice. AFP / Lionel Healing

The myth of the ethical consumer

It seems every company now considers corporate social responsibility a vital part of their proposition for customers. But even with scandals involving multinationals like Enron, Tyco and Siemens, we could…
Do hotter-than-average lake temperatures at Mt Ruaphehu suggest an imminent volcanic eruption? Jess Robertson

Mount Ruapehu eruption signs in hot water

A prolonged period of hotter-than-average temperatures in the crater lake of New Zealand’s Mt Ruapehu has seen the country’s media questioning whether another eruption is on the cards. Mt Ruapehu (Māori…
Incremental measures have reduced smoking among men from 72% in 1945 to 21% in 2007.

Plain cigarette packaging will change smoking… slowly

When it comes to branding and advertising, much of what we are exposed to creates only marginal difference. But even small differences can tip the balance toward a particular choice, and plain packaging…
Manufacturers may be forced to accept profit margins will continue to narrow.

Explainer: What a strong Australian dollar actually means

The Australian dollar has been striking new post-float highs against the US dollar in recent weeks, and according to a number of prominent market economists could reach US$1.10 before the end of this year…
Some households will find life gets harder, whichever policy we choose. Flickr/Josh Liba

Carbon price or climate change, the poor pay more

Government modelling has given us a rough idea what a carbon tax could cost households, but will the burden be borne fairly? Whether we have a carbon tax or climate change, poor households will likely…
Nanoparticles, as used in sunscreen, are readily absorbed by the body. Tony Bartlett/AAP

Explainer: Nanotechnology and you

For the public, the jury is still out on nanotechnology – the media simultaneously extols its promise and warns of the potential calamity facing humanity. But what is it? How does it work? Is it dangerous…